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CVE-2025-61951.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSHIGH / 8.7CVSS 4.0 · f5sirt@f5.com
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSAnalyzedModified Oct 08, 2026

Disclosure summary

Undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. This issue may occur when a Datagram Transport Layer Security (DTLS) 1.2 virtual server is enabled with a Server SSL profile that is configured with a certificate, key, and the SSL Sign Hash set to ANY, and the backend server is enabled with DTLS 1.2 and client authentication. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Source-reported weakness categories

CWE-125, NVD-CWE-noinfo

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

NIST National Vulnerability Database · NVD-CVE-2025-61951

Open original source · Updated Oct 08, 2026

Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.

VendorProduct / associationVersion / bounds
f5big-ip_access_policy_manager* {"versionStartIncluding":"17.1.0","versionEndExcluding":"17.1.3"}
f5big-ip_advanced_firewall_manager* {"versionStartIncluding":"17.1.0","versionEndExcluding":"17.1.3"}
f5big-ip_advanced_web_application_firewall* {"versionStartIncluding":"17.1.0","versionEndExcluding":"17.1.3"}
f5big-ip_analytics* {"versionStartIncluding":"17.1.0","versionEndExcluding":"17.1.3"}
f5big-ip_application_acceleration_manager* {"versionStartIncluding":"17.1.0","versionEndExcluding":"17.1.3"}
f5big-ip_application_security_manager* {"versionStartIncluding":"17.1.0","versionEndExcluding":"17.1.3"}
f5big-ip_application_visibility_and_reporting* {"versionStartIncluding":"17.1.0","versionEndExcluding":"17.1.3"}
f5big-ip_automation_toolchain* {"versionStartIncluding":"17.1.0","versionEndExcluding":"17.1.3"}
f5big-ip_carrier-grade_nat* {"versionStartIncluding":"17.1.0","versionEndExcluding":"17.1.3"}
f5big-ip_container_ingress_services* {"versionStartIncluding":"17.1.0","versionEndExcluding":"17.1.3"}
f5big-ip_ddos_hybrid_defender* {"versionStartIncluding":"17.1.0","versionEndExcluding":"17.1.3"}
f5big-ip_domain_name_system* {"versionStartIncluding":"17.1.0","versionEndExcluding":"17.1.3"}
f5big-ip_edge_gateway* {"versionStartIncluding":"17.1.0","versionEndExcluding":"17.1.3"}
f5big-ip_fraud_protection_service* {"versionStartIncluding":"17.1.0","versionEndExcluding":"17.1.3"}
f5big-ip_global_traffic_manager* {"versionStartIncluding":"17.1.0","versionEndExcluding":"17.1.3"}
f5big-ip_link_controller* {"versionStartIncluding":"17.1.0","versionEndExcluding":"17.1.3"}
f5big-ip_local_traffic_manager* {"versionStartIncluding":"17.1.0","versionEndExcluding":"17.1.3"}
f5big-ip_policy_enforcement_manager* {"versionStartIncluding":"17.1.0","versionEndExcluding":"17.1.3"}
f5big-ip_ssl_orchestrator* {"versionStartIncluding":"17.1.0","versionEndExcluding":"17.1.3"}
f5big-ip_webaccelerator* {"versionStartIncluding":"17.1.0","versionEndExcluding":"17.1.3"}
f5big-ip_websafe* {"versionStartIncluding":"17.1.0","versionEndExcluding":"17.1.3"}
f5big-ip_access_policy_manager17.5.0
f5big-ip_advanced_firewall_manager17.5.0
f5big-ip_advanced_web_application_firewall17.5.0
f5big-ip_analytics17.5.0
f5big-ip_application_acceleration_manager17.5.0
f5big-ip_application_security_manager17.5.0
f5big-ip_application_visibility_and_reporting17.5.0
f5big-ip_automation_toolchain17.5.0
f5big-ip_carrier-grade_nat17.5.0
f5big-ip_container_ingress_services17.5.0
f5big-ip_ddos_hybrid_defender17.5.0
f5big-ip_domain_name_system17.5.0
f5big-ip_edge_gateway17.5.0
f5big-ip_fraud_protection_service17.5.0
f5big-ip_global_traffic_manager17.5.0
f5big-ip_link_controller17.5.0
f5big-ip_local_traffic_manager17.5.0
f5big-ip_policy_enforcement_manager17.5.0
f5big-ip_ssl_orchestrator17.5.0
f5big-ip_webaccelerator17.5.0
f5big-ip_websafe17.5.0

Original records & references

PUBLISHED 2025-10-15T10:15:56-04:00
MODIFIED 2026-10-08T08:10:00-04:00
INGESTED 2026-10-08T12:30:43-04:00